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ZeedFramework/library/Com/Model/Mapping/Username2userid.php

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+<?php
+/**
+ * Zeed Platform Project
+ * Based on Zeed Framework & Zend Framework.
+ *
+ * BTS - Billing Transaction Service
+ * CAS - Central Authentication Service
+ *
+ * LICENSE
+ * http://www.zeed.com.cn/license/
+ *
+ * @category   Zeed
+ * @package    Zeed_ChangeMe
+ * @subpackage ChangeMe
+ * @copyright  Copyright (c) 2010 Zeed Technologies PRC Inc. (http://www.zeed.com.cn)
+ * @author     Zeed Team (http://blog.zeed.com.cn)
+ * @since      2010-7-6
+ * @version    SVN: $Id$
+ */
+
+class Com_Model_Mapping_Username2userid extends Zeed_Db_Model_Detach
+{
+    /*
+     * @var string The table name.
+     */
+    protected $_name = 'mapping_username2userid';
+
+    /**
+     * @var integer Primary key.
+     */
+    protected $_primary = 'userid';
+
+    /**
+     * @var string Table prefix.
+     */
+    protected $_prefix = 'os_';
+
+    /**
+     * 定义分表依据字段
+     *
+     * @var $_detachField string
+     */
+    protected $_detachField = 'username';
+
+    /**
+     * 添加 Mapping 表信息
+     *
+     * @param array|Com_Entity_Mapping_Username2userid $set
+     * @return integer|false 添加成功返回 userid 值，失败返回 false
+     * @see Com_Model_User::add()
+     */
+    public function add($set)
+    {
+        $mappingUsername2userid = new Com_Entity_Mapping_Username2userid();
+        $mappingUsername2userid->fromObject($set);
+        if ($mappingUsername2userid->isEmpty()) {
+            return false;
+        }
+
+        if (! is_numeric($mappingUsername2userid->userid)) {
+            return false;
+        }
+
+        $data = $mappingUsername2userid->toArray();
+
+        if ($data['userid'] > 0) {
+            $userid= $data['userid'];
+        }
+        else {
+            return false;
+        }
+
+        $this->detachToken($data);
+
+        try {
+            $this->insert($data);
+        }
+        catch (Exception $e) {
+            $userid = false;
+        }
+
+        return $userid;
+    }
+
+    /**
+     *
+     * @param string $username
+     * @return BigInteger|null 如果失败返回 null
+     * @cached
+     */
+    public function getUseridByUsername($username, $domainid = 0)
+    {
+        $domainid = (int) $domainid;
+
+        $hash = md5($username.$domainid);
+        $cache = Zeed_Cache::instance();
+
+        if ( ($data = $cache->load($hash)) && $data ) {
+            return $data;
+        }
+
+        $this->detachToken($username);
+
+        $userid = null;
+
+        $where = $this->getAdapter()->quoteInto($this->getAdapter()->quoteIdentifier('username') . " = ? AND domainid = {$domainid}", $username);
+        $sql = 'SELECT userid FROM ' . $this->getTable() . ' WHERE ' . $where;
+        $row = $this->getAdapter()->query($sql)->fetchColumn(0);
+        if ($row && is_numeric($row)) {
+            $cache->save($row, $hash);
+            $userid = $row;
+        }
+
+        return $userid;
+    }
+
+    /**
+     * 根据小写分表 username
+     * 获取分表依据字段整型值，用于分表运算
+     *
+     * @param string $field
+     * @return integer|null
+     * @overwrite
+     */
+    protected function getDetcahFieldForMod($value)
+    {
+        $forMod = null;
+
+        if (is_int($value)) {
+            $forMod = $value;
+        } elseif (is_string($value) && ! $this->_skipCrc32) {
+            $value = mb_strtolower($value, 'utf-8');
+            $checksum = crc32($value);
+            $forMod = sprintf("%u", $checksum);
+        } else {
+            $forMod = $value;
+        }
+
+        return $forMod;
+    }
+
+    /**
+     * @return Com_Model_Mapping_Username2userid
+     */
+    public static function instance()
+    {
+        return parent::_instance(__CLASS__);
+    }
+}
+
+
+// End ^ Native EOL ^ encoding